31322000220311 has 8 divisors (see below), whose sum is σ = 32332630114944. Its totient is φ = 30311385500160.

The previous prime is 31322000220307. The next prime is 31322000220359. The reversal of 31322000220311 is 11302200022313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31322000220311 - 2² = 31322000220307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322000220911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477575 + ... + 7929191.

It is an arithmetic number, because the mean of its divisors is an integer number (4041578764368).

Almost surely, 2^{31322000220311} is an apocalyptic number.

31322000220311 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31322000220311 is a deficient number, since it is larger than the sum of its proper divisors (1010629894633).

31322000220311 is a wasteful number, since it uses less digits than its factorization.

31322000220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587241.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31322000220311 its reverse (11302200022313), we get a palindrome (42624200242624).

The spelling of 31322000220311 in words is "thirty-one trillion, three hundred twenty-two billion, two hundred twenty thousand, three hundred eleven".